Digital Concepts Questions and Answers

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Q61
X-ray, MRI, and ultrasound systems in hospitals are examples of analog systems.
  • A TRUE
  • B FALSE
Answer: Option A
Q62
Greater accuracy and precision are possible with digital techniques.
  • A TRUE
  • B FALSE
Answer: Option A
Q63
With an OR gate, the output is HIGH only when both inputs are HIGH.
  • A TRUE
  • B FALSE
Answer: Option B
Q64
The time interval on the leading edge of a pulse between 10% and 90% of the amplitude is the rise time.
  • A TRUE
  • B FALSE
Answer: Option A
Q65
Telecommunications systems do not use digital techniques.
  • A TRUE
  • B FALSE
Answer: Option B
Q66
The real world is mainly analog.
  • A TRUE
  • B FALSE
Answer: Option A
Q67
Binary means having two states or values.
  • A TRUE
  • B FALSE
Answer: Option A
Q68
Four bits equal one byte.
  • A TRUE
  • B FALSE
Answer: Option B
Q69
In a positive logic system, the logic LOW could be between 0 V and 0.8 V.
  • A TRUE
  • B FALSE
Answer: Option A
Q70
In a binary system there are only two symbols.
  • A TRUE
  • B FALSE
Answer: Option A

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